@keyframes light-circle {
  0% {
    transform: scale(0.85);
    opacity: .8;
  }
  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

/* 浮动动画 */
@keyframes float-item {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
  }
  25% {
    transform: translate(-2px, -5px) rotate(-1deg);
    opacity: 0.95;
  }
  50% {
    transform: translate(0px, -7px) rotate(1deg);
    opacity: 0.9;
  }
  75% {
    transform: translate(1px, -4px) rotate(-1deg);
    opacity: 0.95;
  }
  100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
  }
}
